CVE-2023-39666

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 was discovered to contain multiple buffer overflows in the fgets function via the acStack_120 and acStack_220 parameters.

Se descubrió que D-Link DIR-842 fw_revA_1-02_eu_multi_20151008 contiene múltiples desbordamientos de búfer en la función fgets a través de los parámetros acStack_120 y acStack_220.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-08-07 CVE Reserved
2023-08-18 CVE Published
2024-10-07 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (3)

URL	Tag	Source
https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR-842%20buffer%20overflow.md	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.dlink.com	2023-08-25
https://www.dlink.com/en/security-bulletin	2023-08-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dir-842 Firmware Search vendor "Dlink" for product "Dir-842 Firmware"	1.05b02 Search vendor "Dlink" for product "Dir-842 Firmware" and version "1.05b02"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-842 Search vendor "Dlink" for product "Dir-842"	-	-	Safe